Induction furnace linings 
Capital Refractories specialises in supplying refractory linings and associated products to metal melting, foundry and cement
industries around the world. Capital Refractories manufactures a wide range of dry vibration rammable products for lining
coreless induction furnaces, vacuum coreless induction furnaces and channel induction furnaces for the melting of steel and
high temperature alloys, iron, copper, bronze, aluminium and masteralloys. These dry vibration induction furnace linings include refractories based on alumina-magnesia spinel-forming systems, fused and dead-burnt magnesia-based systems, alumina and alumino-silicate-based formulations. Capital Refractories also supply magnesia and magnesia-chrome bricks for furnace linings. The dry vibration induction furnace rammables are supplemented by a wide range of topping, ramming and patching refractories and other refractory products. |
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| Crucibles |
Refractory castables |
Bottom pour ladle systems  Another product to improve metal quality is Capital Refractories' gas-permeable diffuser (also known as a porous or purge plug) which can significantly improve the quality of both ferrous and non-ferrous metal when installed in melting furnaces and ladles. |
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| Coil repair |
Gas diffusers |
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Ancillary Products
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Capital Refractories Limited
Capital Refractories is one of the largest independent refractory companies in the UK. Capital Refractories has been manufacturing, supplying and installing high quality refractory products to metal melters for almost 50 years. Today, Capital Refractories' services to the metallurgical and thermal process industries operate on a global scale, with clients in over 40 countries worldwide.
Capital Refractories manufacture a wide, and growing, range of isostatically pressed, vibrocast and slip cast crucibles.
The range of qualities available include alumina, chrome-alumina, magnesia, zirconia, zircon and mullite.
Capital also manufacture one-shot crucible liners based on fused alumina and fused silica. 
Capital Refractories has an extensive range of castables, which can be supplied pre-cast and fired, for the metal
melting, cement and other heat-processing industries.
The castables range include dense, insulating and gunnable medium (standard) cement castables, low cement castables and
free-flow (self-flow) castables. Capital Refractories also has a comprehensive range of non-wetting, aluminophobic and
%20600w.JPG)
insulation castables specifically designed for primary and secondary melting of aluminium.
power cables, copper busbars and related insulators and fittings. 
Capital Refractories provides a range of products to improve cast quality such as the Unibore/Multicast stopper and nozzle
bottom pour system for ladles and auto pour which improves metal flow and quality as well as offering a quick change nozzle
for improved cleanliness or to easily change nozzle diameters.
Capital Refractories also supplies a wide range of ancillary products such as furnace formers, mica sheet, vacuum-cast
fibre products, temperature measurement equipment, insulation materials and earth leakage electrodes. Capital also supply
materials for the investment casting
